mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-22 16:29:18 +00:00
53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
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/**
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# Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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**/
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package test
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import (
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"fmt"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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)
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// GetModuleRoot returns the path to the root of the go module
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func GetModuleRoot() (string, error) {
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_, filename, _, _ := runtime.Caller(0)
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return hasGoMod(filename)
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}
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// PrependToPath prefixes the specified additional paths to the PATH environment variable
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func PrependToPath(additionalPaths ...string) string {
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paths := strings.Split(os.Getenv("PATH"), ":")
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paths = append(additionalPaths, paths...)
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return strings.Join(paths, ":")
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}
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func hasGoMod(dir string) (string, error) {
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if dir == "" || dir == "/" {
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return "", fmt.Errorf("module root not found")
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}
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_, err := os.Stat(filepath.Join(dir, "go.mod"))
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if err != nil {
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return hasGoMod(filepath.Dir(dir))
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}
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return dir, nil
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}
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